Didn't know there were some fancy pigeons but that video was especially eye-opening, enjoyed that! As I was watching it, I thought "What the heck?!" Gave me a dizzy feeling just watching them tumble like that.

Aren't they cool? Very acrobatic.
Reminds me of pilots in light aircraft when they turn their engines off and do a controlled dive....except these pigeons are back-flipping.
First time I saw it I thought they'd all forgotten how to fly for a second!